Below are some problems encountered by students and how you can try to solve it on your own.
ACER Keyboard
(1) The keyboard gives a different letter. E.g. @ becomes ''.
Resolution:
You may have accidentally changed the language to “GB”. You should change it to “US” instead by using the settings option. (See picture)
Or you can also go to Settings > Device > Keyboard > Languages & Input > Choose US.